原文：http://www.chinacompositesexpo.com/en/news.php?show=detail&c_id=129&news_id=14471. Product Name: MTI HOSE/MTI VALVE Exhibitor: ITS (Yangzhou) Chemical Co., Ltd.
    Partner: DD-COMPOUND
The MTI® hose significantly increases process safety. Parts produced in the MTI® process feature a superior laminate quality. By utilizing the MTI® hose, even inexperienced users will succeed in the production of complex parts with surfaces that will be free of porosity and pinholes as well as feature fiber volume contents of > 50%.
The MTI® infusion process is often a cost-effective alternative to the production of components in an autoclave without having to sacrifice part quality and often producing better surface quality.

MTI Valve which targets control of the preform compaction and pressure gradient during infusion, reportedly resulting in a higher fiber volume fraction, reduced thickness gradient and improved overall quality in the part.
Production place: Germany.

Prior to evacuation the mold, dry preform, flow media and vacuum bag are all in a relaxed state. At this point, the pressure within the bagged system is the same as that outside of the bagged system, namely atmospheric pressure. Thus, the net pressure compacting the dry preform is zero.

After evacuation and prior to resin flow, vacuum has been applied so that absolute pressure is uniformly low (vacuum is uniformly high) and the mold, preform, flow media and vacuum bag are in a compacted state. German Advanced Composites asserts that, for a high quality infusion, the goal is to achieve an absolute pressure in the range of 10 mbar inside the bagged system, while 1000 mbar remains outside the bagged system. Thus, the pressure differential is 990 mbar, which is the net compaction pressure upon the dry preform.

Once the resin inlet is opened, the resin begins to flow and the pressure of the filled volume approaches atmospheric pressure, which is the pressure at the reservoir. The rise in pressure inside the bagged system acts against the atmospheric pressure outside the bagged system. The pressure differential is the remaining net compaction upon the preform in the mold,

This pressure differential will vary depending on a number of factors including the permeability of the dry preform and flow media and the timing sequence of clamping the resin inlet(s) and vacuum lines. With less compaction, more resin can flood the preform. In traditional resin infusion, this net compaction can approach zero, resulting in laminate relaxation which leads to increased thickness and reduced fiber volume fraction.

Not only JEC COMPOSITE reports this new advanced technology, but also Composites World as a famous composites industrial magazine gives comments on this product, which was granted by ACMA as Equipment and Tooling Innovation Award 2013. There are more than 26 countries distributing these technologies not only for wind energy (where some main brands start to use), but also for carbon fiber reinforced markets made with vacuum infusion.

2. Product Name: Carbon Fiber Multi-axial Warp Knitting Machine
    Exhibitor: Changzhou Diba Textile Machinery Co., Ltd.
    Partner: Changzhou Hongfa Zongheng Advanced Material Technology Co., Ltd.
“Carbon fiber multi-axial warp knitting machine” is designed by “Changzhou Diba Textile Machinery Co., Ltd.”. Reinforced fabrics produced by the machine are widely used in the field of wind power generation, aerospace, energy, medical fields and sports & leisure.

Technical Features: The products with a number of independent intellectual property rights innovation technology (36 authorized patents, including 8 invention patents), to fill the gaps in the domestic carbon fiber multi axial warp knitting machine, the overall performance reached the international advanced level, and has good economic and social benefits.

The products have been examined by the National Textile Machinery Quality Supervision and Inspection Center. Each technical indicator is in line with the requirements of Q/320411 AJK 024-2013 enterprise standard.
Major technical indexes are listed below:
1) Technical index of the host

• Nominal width: 1270mm
• Pan head diameter: φ762×533mm
• The maximum rolling diameter: 800mm
• Fabric layers: 2～6layers
• Weft laying angle: ＋45°～＋60°、90°、－45°～－60°and 0°
• Weft laying density: 2～8 rings /cm
• Weft laying width: 30～132㎜
• Maximum spindle speed: 600rpm

2) Technical index of carbon fiber fabric

• Fiber types：T300-3K, T300-6K, T700-12K;
• Fabric area density：100-300g/ m²（±3 g/m²）;
• Tensile strength：≥1800 Mpa.

3) Properties of the composite materials

• Tensile strength: ≥ 1400 Mpa; Tensile modulus: ≥ 120 GPa
• compressive strength: ≥ 1000 Mpa; compression modulus: ≥ 120 GPa
• bending strength: ≥ 1600 Mpa; bending modulus: ≥ 110 GPa

The project has no gas waste, liquid waste and solid waste to discharge, thus having no pollution and negative impact on the environment. The pipe system in the factory can fully ensure safe discharge of domestic sewage without need for expensive environmental protection facilities.

Feedbacks from clients prove that the products are with advanced technology, stable performance, and good cost-effect ratio. It can bring down the investment cost of downstream industry, accelerate its development. Furthermore, it can cut down the production cost of carbon fiber composites, increasing the application of carbon fiber, thus improving products quality. It should be reasonable to expect a good market prospect in the industry of Aerospace, Defence, Wind Energy, Automotive, etc.

3. Product Name: Fiber Winding Robot
    Exhibitor: Shanghai Vanguard Composite Technology Co., Ltd.; Tiance Technology Co., Ltd.
Winding robot can be used for winding and forming complex shape products. It is especially suitable for applying “dry winding” technology. It has strong adaptability, high winding precision, thus can be widely used in aerospace, energy, transportation, chemical and physical activities.

Winding robot has only being developed in the Europe only for a few models and remains a virgin field domestically. To meet the requirements for high-end products, Shanghai Vanguard Composite Technology Co., Ltd. and Tiance Technology Co., Ltd. independently developed the winding robot, which has the following advantages:
1) Applying "dry winding" process and developed the precision winding tension control unit, achieved non slip and full coverage;
2) Developed off-line programming softwares for the winding robots with independent intellectual property rights, so that the robot can be suitable for complex shape product winding;
3) The winding robot adopts a modular design. We can install customized modular according to the different specification that system takes a short development cycle, has a wide applying range, and low cost.

• The winding axis number: 7
• The winding tension: 10-100N
• Winding precision: 0.1mm
• Yarn speed: maximum 2m/s

Shanghai Vanguard and Tiance have developed a system technology and prototype, which has the widespread application prospect. It can replace imported high-end winding machine, used in aerospace, energy, transportation, chemical and physical activities, with lower costs. It has a market demand more than 100 sets / year.
  文章来源：http://www.chinacompositesexpo.com/en/news.php?show=detail&c_id=129&news_id=1447